215916407828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{751139}}^1$

素因数の和:751340

約数の個数: 48

約数和(自身を含む): 424003507200

約数和(自身を除く): 208087099372

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 139, 188, 278, 517, 556, 1034, 1529, 2068, 3058, 6116, 6533, 13066, 26132, 71863, 143726, 287452, 751139, 1502278, 3004556, 8262529, 16525058, 33050116, 35303533, 70607066, 104408321, 141214132, 208816642, 388338863, 417633284, 776677726, 1148491531, 1553355452, 2296983062, 4593966124, 4907191087, 9814382174, 19628764348, 53979101957, 107958203914, 215916407828]

約数ペア:

[(1, 215916407828), (2, 107958203914), (4, 53979101957), (11, 19628764348), (22, 9814382174), (44, 4907191087), (47, 4593966124), (94, 2296983062), (139, 1553355452), (188, 1148491531), (278, 776677726), (517, 417633284), (556, 388338863), (1034, 208816642), (1529, 141214132), (2068, 104408321), (3058, 70607066), (6116, 35303533), (6533, 33050116), (13066, 16525058), (26132, 8262529), (71863, 3004556), (143726, 1502278), (287452, 751139)]